On arrest he told officers the syringe contained water, but it later emerged it was filled with rocuronium, which he had taken from his workplace at the James Cook Hospital in Middlesbrough.

A woman has been arrested in connection with the death of a man who was stabbed in the street ... at about 21:00 GMT and was taken to James Cook University Hospital where he later died.

Darren Michael Harris stabbed Gary Lewis with a needle in his Northallerton record shop in July 2024. | ITV News Tyne Tees ...